Equivalent & Substitute Parts for Würth Elektronik 860010472004

Part Overview

The Würth Elektronik 860010472004 is a 33 µF, 25 V aluminum electrolytic capacitor in radial configuration with a 2000-hour lifetime rating at 85°C. This component is classified as Active and fully compliant with ROHS3 and REACH standards. Substitute parts are identified to address application requirements for extended temperature operation, increased voltage ratings, or enhanced lifetime specifications while maintaining the same capacitance value, tolerance, and physical form factor.

Key Parameters

Parameter	Value
Manufacturer Part Number	860010472004
Manufacturer	Würth Elektronik
Capacitance	33 µF
Tolerance	±20%
Voltage - Rated	25 V
Lifetime @ Temperature	2000 Hrs @ 85°C
Operating Temperature Range	-40°C ~ 85°C
Lead Spacing	0.079" (2.00 mm)
Size / Dimension	0.197" Dia (5.00 mm)
Height - Seated (Max)	0.492" (12.50 mm)
Mounting Type	Through Hole
Package / Case	Radial, Can
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitute parts for the 860010472004 are organized by substitution category based on the following allowed parameters:

Direct Substitutes maintain identical electrical specifications (33 µF, ±20%, 25 V) and physical dimensions while varying in series designation, lifetime rating, or operating temperature range.

Voltage Upgrades increase the rated voltage to 35 V or 50 V while preserving the 33 µF capacitance, ±20% tolerance, and identical physical form factor. These are suitable for applications requiring higher voltage headroom.

Temperature/Lifetime Upgrades extend the operating temperature range to -55°C or increase the lifetime rating at elevated temperatures (105°C operation) while maintaining the same capacitance and voltage rating.

All substitute parts share the following compatibility criteria:

Capacitance: 33 µF
Tolerance: ±20%
Lead Spacing: 0.079" (2.00 mm)
Size / Dimension: 0.197" Dia (5.00 mm)
Height - Seated (Max): 0.492" (12.50 mm)
Mounting Type: Through Hole
Package / Case: Radial, Can
RoHS Status: ROHS3 Compliant
Product Status: Active

Parameter Comparison

Part Number	Series	Voltage (V)	Lifetime @ Temp	Operating Temp Range	Ripple Current @ 100 kHz (mA)	Substitution Type
860010472004	WCAP-ATG8	25	2000 Hrs @ 85°C	-40°C ~ 85°C	160.65	Main Part
860020472005	WCAP-ATG5	25	2000 Hrs @ 105°C	-40°C ~ 105°C	105.57	Direct Substitute
860010572004	WCAP-ATG8	35	2000 Hrs @ 85°C	-40°C ~ 85°C	185.13	Voltage Upgrade
860010672011	WCAP-ATG8	50	2000 Hrs @ 85°C	-40°C ~ 85°C	201.96	Voltage Upgrade
860020572005	WCAP-ATG5	35	2000 Hrs @ 105°C	-40°C ~ 105°C	114.75	Voltage & Temp Upgrade
860020672012	WCAP-ATG5	50	2000 Hrs @ 105°C	-40°C ~ 105°C	114.75	Voltage & Temp Upgrade
860040572001	WCAP-ATUL	35	5000 Hrs @ 105°C	-40°C ~ 105°C	230	Extended Lifetime Upgrade
860080572001	WCAP-ATLI	35	2000 Hrs @ 105°C	-55°C ~ 105°C	230	Extended Temp Range Upgrade
860160472005	WCAP-ATLL	25	4000 Hrs @ 105°C	-55°C ~ 105°C	174	Extended Temp & Lifetime Upgrade
860160572005	WCAP-ATLL	35	3000 Hrs @ 105°C	-55°C ~ 105°C	222	Extended Temp & Voltage Upgrade
860240472002	WCAP-AT1H	25	5000 Hrs @ 105°C	-40°C ~ 105°C	130	Extended Lifetime Upgrade

Engineering Selection Recommendations

Selection of substitute parts is determined by application requirements for voltage rating, operating temperature range, and lifetime specification. All listed substitutes maintain ROHS3 compliance and Active product status, ensuring regulatory and supply chain continuity.

For applications operating at or below 85°C with 25 V supply voltage: The main part 860010472004 is suitable. If extended temperature operation to 105°C is required, substitute 860020472005 (WCAP-ATG5 series) provides equivalent electrical performance with expanded operating range.

For applications requiring voltage margin above 25 V: Substitute parts 860010572004 (35 V) or 860010672011 (50 V) maintain the same series and temperature characteristics while providing higher voltage rating. These are direct upgrades within the WCAP-ATG8 series.

For applications requiring both elevated temperature operation and extended lifetime: Substitute parts 860040572001 (5000 Hrs @ 105°C, 35 V) or 860240472002 (5000 Hrs @ 105°C, 25 V) are specified. These parts operate across the full -40°C to 105°C range with enhanced reliability.

For applications requiring extended temperature range to -55°C: Substitute parts 860080572001, 860160472005, 860160572005, or 860240472002 support lower temperature operation. Selection depends on voltage and lifetime requirements.

All substitute parts are electrically and mechanically compatible with the main part within the specified parameter constraints. Physical form factor, lead spacing, and mounting type remain constant across all alternatives.

Frequently Asked Questions (FAQ)

Q: Can 860020472005 be used as a direct replacement for 860010472004?

A: Yes. Both parts share identical capacitance (33 µF), tolerance (±20%), voltage rating (25 V), and physical dimensions. The primary difference is the operating temperature range: 860020472005 extends to 105°C versus 85°C for the main part. This substitution is valid for applications operating within the main part's temperature range and provides additional thermal margin.

Q: What is the difference between voltage upgrade parts (35 V and 50 V)?

A: Voltage upgrade parts maintain the same 33 µF capacitance and physical form factor while increasing the rated voltage. The 35 V variants (860010572004, 860020572005, 860040572001, 860080572001, 860160572005) and 50 V variants (860010672011, 860020672012) are suitable for circuits requiring higher voltage headroom. Selection depends on operating temperature and lifetime requirements.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 Compliant and REACH Unaffected, maintaining regulatory compliance with the main part.

Q: What is the significance of the series designation (WCAP-ATG8, WCAP-ATG5, WCAP-ATUL, etc.)?

A: The series designation indicates the internal design and performance characteristics of the capacitor. WCAP-ATG8 and WCAP-ATG5 are standard general-purpose series with different temperature ratings. WCAP-ATUL, WCAP-ATLI, WCAP-ATLL, and WCAP-AT1H are enhanced series with extended lifetime or temperature range specifications. Series selection depends on application requirements for reliability and thermal performance.

Q: Can I use a 50 V rated part in a 25 V circuit?

A: Yes. A higher voltage-rated capacitor is electrically compatible with lower voltage applications. The 50 V parts (860010672011, 860020672012) can be used in 25 V circuits and provide additional voltage margin. Physical dimensions remain identical, ensuring mechanical compatibility.

Q: What ripple current specifications should I consider when selecting a substitute?

A: Ripple current capacity varies across substitute parts. The main part 860010472004 supports 160.65 mA @ 100 kHz. Substitute parts range from 105.57 mA to 230 mA @ 100 kHz depending on series and temperature rating. Select a substitute with ripple current capacity equal to or greater than the application requirement.

Q: Are all substitute parts available in the same packaging (Cut Tape)?

A: Yes. All listed substitute parts are supplied in Cut Tape (CT) packaging, maintaining consistency with the main part's delivery format.

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